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Exam 4 Chemistry Review/Study Questions Part 6
Review / Study Questions
50
Chemistry
Undergraduate 3
04/01/2015

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Term
When is the Therapeutic Window?
Definition
Drug level is high enough to work, but not so high as to cause toxicity
Term
When is considered a narrow therapeutic window?
Definition
When a drug's therapeutic and toxic concentrations are very close
Term
When are peak levels reached?
Definition
after absorption and distribution,
generally 1 hour after a dose
Term
When are trough levels reached?
Definition
when the drug is at its lowest concentration, just before a dose
Term
True or False:
Each dose is additive to what remains from the previous dose
Definition
True
Term
Generally, When is a Steady State Reached?
Definition
By the end of 5-7 doses
Term
Define Steady State
Definition
When the amount of drug = the amount of drug eliminated
Term
TDM Specimen Collection - When will you draw the Peak?
Definition
draw 1 hour after an oral dose of drug
Term
TDM Specimen Collection - When will you draw the Trough?
Definition
draw right before the next dose is given
Term
True or False:
With TDM Specimen Collection you should avoid serum separator tubes
Definition
True
Term
What should you do to TDM samples that have been drawn through an IV line used to administer drugs?
Definition
Reject
Term
What Age Group will Utilize drugs at 2X adult level based on body weight?
Definition
2-10
Term
Higher GFR & Higher Protein Levels are tied to what group?
Definition
Pregnancy
Term
List 3 Cardioactive Drugs
Definition
Digoxin
Quinidine
Procainamide
Term
Name 2 Antibiotics
Definition
Aminoglycosides
Vancomycin
Term
When should you collect a peak for Digoxin?
Definition
8-10 hours after oral dose
Term
For What type of MO are aminoglycosides given?
Definition
Resistant Gram-Negative Bacteria
Term
For What type of MO is Vancomycin given?
Definition
Gram-Positive Bacteria
Term
With which Antibiotic are the following consistent with:
Gentamicin, tobramycin, amikacin, kanamycin.
IV or IM only
Definition
Aminoglycosides
Term
With which Antibiotic is the following consistent with:
Red Man Syndrome
Definition
Vancomycin
Term
True or False:
Both Aminoglycosides & Vancomycin can cause renal damage and irreversible hearing impairment
Definition
True
Term
Name the 4 First Generation Anti-Epileptic Drugs (Anti-seizure/Anti-convulsant)
Definition
Phenobarbital
Phenytoin
Valproic Acid
Carbamazepine
Term
Which First Generation Anti-Epileptic Drug is consistent with the following:
the administered
"proform". After ingestion, it
converts to phenobarbital. Both drugs should be assayed.
Peaks at 10 hours
Definition
Phenobarbital
Term
Which First Generation Anti-Epileptic Drug is consistent with the following:
oxicity includes seizures.
Up to 97% is protein-bound, so labs may assay both total and Free dilantin
Definition
Phenytoin
Term
What is a side effect of Phenytoin?
Definition
Gingival Hyperplasia
Term
Which First Generation Anti-Epileptic Drug is consistent with the following:
Toxicity includes pancreatitis & hallucinations
Definition
Valproic Acid
Term
Which First Generation Anti-Epileptic Drug is consistent with the following:
Tegretol
Serious toxicity = leukopenia and aplastic anemia
Definition
Carbamazepine
Term
List 2 Psychoactive Drugs
Definition
Lithium
Tricyclic Antidepressants
Term
List 3 Immunosuppressives
Definition
Cyclosporine
Tacrolimus
Thalidomide
Term
What Psychoactive Drug is consistent with the following:
Manic-depressive disorders.
Toxicity = lethargy, apathy
Definition
Lithium
Term
What Psychoactive Drug is consistent with the following:
Depression, insomnia.
Effects not evident for 2-4 weeks
Definition
Tricyclic Antidepressants
Term
Many Tricyclic Antidepressants are being replaced with what due to fewer side effects?
Definition
SSRIs
Term
What Immunosuppressive Drug is consistent with the following:
To suppress host-versus-graft rejection of transplanted Organs
Definition
Cyclosporine
Term
What Immunosuppressive Drug is consistent with the following:
FK506
100 x more potent than cyclosporine
Definition
Tacrolimus
Term
What Immunosuppressive Drug is consistent with the following:
Serious birth defects 1956-1961
Multiple myeloma treatment prior to b.marrow transplant
Definition
Thalidomide
Term
What is the Antineoplactic Drug that was discussed in lecture?
Definition
Methotrexate
Term
True or False:
Antineoplactics are usually given as a single IV dose & TDM is NOT very affective for most
Definition
True
Term
What Antineoplastic Inhibits DNA?
Definition
Methotrexate
Term
What Antineoplastic is connected with Leukemia, Lymphomas, and other cancers?
Definition
Methotrexate
Term
What else is Methotrexate used to treat?
Definition
RA and psoriasis
Term
Methotrexate Toxicity =
Definition
Bone Marrow Suppression
Term
What is the primary cause of toxicity in patients taking therapeutic drugs?
Definition
Noncompliance
Term
Drugs exist in two forms in the circulation. Describe these 2 forms and explain which is pharmacologically active
Definition
Protein-bound and free (free form is active)
Term
What is “first pass” metabolism?
Definition
Drugs absorbed by the GI tract are first routed through the liver before entering the circulation. This may cause some metabolic changed to the drug.
Term
If a patient had a serum drug level at 8:00 of 100 ng/mL, and the t1/2 is 1 hour, what will the serum concentration be at 10:00?
Definition
25 ng/mL
Term
List 4 physical changes which affect drug metabolism in an elderly patient
Definition
GFR, proteins, cardiac output and liver function are all reduced
Term
To which drug is primidone the proform?
Definition
Phenobarbital
Term
For which drugs should a peak level be drawn 8-10 hours after an oral dose?
Definition
Digoxin & phenobarb
Term
Why should SST (serum separator tubes) be avoided?
Definition
Some drugs may be absorbed by the gel, causing a falsely decreased level of drug
Term
Who are the most common victims of poisoning?
Definition
Age 15-30, suicides and ODs
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